Ercole II d'Este
| Ercole II d'Este | |
|---|---|
Portrait by Niccolò dell'Abbate | |
| Duke of Ferrara, Modena and Reggio | |
| Reign | 31 October 1534 – 3 October 1559 |
| Predecessor | Alfonso I d'Este |
| Successor | Alfonso II d'Este |
| Born | 4 April 1508 Ferrara, Duchy of Ferrara |
| Died | 3 October 1559 (aged 51) Ferrara, Duchy of Ferrara |
| Spouse | |
| Issue | Anna, Duchess of Guise Alfonso II, Duke of Ferrara Lucrezia d'Este Eleonora d'Este Luigi d'Este |
| House | Este |
| Father | Alfonso I d'Este |
| Mother | Lucrezia Borgia |
Ercole II d'Este (4 April 1508 – 3 October 1559) was Duke of Ferrara, Modena and Reggio from 1534 to 1559. He was the eldest son of Alfonso I d'Este and Lucrezia Borgia.